[libsigrok.git] / src / hardware / tondaj-sl-814 / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <config.h>
#include <fcntl.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#include "protocol.h"

#define SERIALCOMM "9600/8e1"

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

static const uint32_t devopts[] = {
	SR_CONF_SOUNDLEVELMETER,
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
};

SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;

static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
{
	return std_init(sr_ctx, di, LOG_PREFIX);
}

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct drv_context *drvc;
	struct dev_context *devc;
	struct sr_dev_inst *sdi;
	struct sr_config *src;
	GSList *devices, *l;
	const char *conn, *serialcomm;
	struct sr_serial_dev_inst *serial;

	drvc = di->context;
	drvc->instances = NULL;

	devices = NULL;

	conn = serialcomm = NULL;
	for (l = options; l; l = l->next) {
		if (!(src = l->data)) {
			sr_err("Invalid option data, skipping.");
			continue;
		}
		switch (src->key) {
		case SR_CONF_CONN:
			conn = g_variant_get_string(src->data, NULL);
			break;
		case SR_CONF_SERIALCOMM:
			serialcomm = g_variant_get_string(src->data, NULL);
			break;
		default:
			sr_err("Unknown option %d, skipping.", src->key);
			break;
		}
	}
	if (!conn)
		return NULL;
	if (!serialcomm)
		serialcomm = SERIALCOMM;

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup("Tondaj");
	sdi->model = g_strdup("SL-814");
	devc = g_malloc0(sizeof(struct dev_context));

	serial = sr_serial_dev_inst_new(conn, serialcomm);

	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
		return NULL;

	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;

	sdi->priv = devc;
	sdi->driver = di;
	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

	return devices;
}

static GSList *dev_list(const struct sr_dev_driver *di)
{
	return ((struct drv_context *)(di->context))->instances;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;

	(void)cg;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
		devc->limit_samples = g_variant_get_uint64(data);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		break;
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct sr_serial_dev_inst *serial;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	std_session_send_df_header(sdi, LOG_PREFIX);

	/* Poll every 500ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 500,
		      tondaj_sl_814_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
			sdi->conn, LOG_PREFIX);
}

SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
	.name = "tondaj-sl-814",
	.longname = "Tondaj SL-814",
	.api_version = 1,
	.init = init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = dev_list,
	.dev_clear = NULL,
	.config_get = NULL,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = std_serial_dev_open,
	.dev_close = std_serial_dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include <config.h>
	22	#include <fcntl.h>
	23	#include <glib.h>
	24	#include <libsigrok/libsigrok.h>
	25	#include "libsigrok-internal.h"
	26	#include "protocol.h"
	27
	28	#define SERIALCOMM "9600/8e1"
	29
	30	static const uint32_t scanopts[] = {
	31	SR_CONF_CONN,
	32	SR_CONF_SERIALCOMM,
	33	};
	34
	35	static const uint32_t devopts[] = {
	36	SR_CONF_SOUNDLEVELMETER,
	37	SR_CONF_CONTINUOUS,
	38	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	39	};
	40
	41	SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
	42
	43	static int init(struct sr_dev_driver di, struct sr_context sr_ctx)
	44	{
	45	return std_init(sr_ctx, di, LOG_PREFIX);
	46	}
	47
	48	static GSList scan(struct sr_dev_driver di, GSList *options)
	49	{
	50	struct drv_context *drvc;
	51	struct dev_context *devc;
	52	struct sr_dev_inst *sdi;
	53	struct sr_config *src;
	54	GSList devices, l;
	55	const char conn, serialcomm;
	56	struct sr_serial_dev_inst *serial;
	57
	58	drvc = di->context;
	59	drvc->instances = NULL;
	60
	61	devices = NULL;
	62
	63	conn = serialcomm = NULL;
	64	for (l = options; l; l = l->next) {
	65	if (!(src = l->data)) {
	66	sr_err("Invalid option data, skipping.");
	67	continue;
	68	}
	69	switch (src->key) {
	70	case SR_CONF_CONN:
	71	conn = g_variant_get_string(src->data, NULL);
	72	break;
	73	case SR_CONF_SERIALCOMM:
	74	serialcomm = g_variant_get_string(src->data, NULL);
	75	break;
	76	default:
	77	sr_err("Unknown option %d, skipping.", src->key);
	78	break;
	79	}
	80	}
	81	if (!conn)
	82	return NULL;
	83	if (!serialcomm)
	84	serialcomm = SERIALCOMM;
	85
	86	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	87	sdi->status = SR_ST_INACTIVE;
	88	sdi->vendor = g_strdup("Tondaj");
	89	sdi->model = g_strdup("SL-814");
	90	devc = g_malloc0(sizeof(struct dev_context));
	91
	92	serial = sr_serial_dev_inst_new(conn, serialcomm);
	93
	94	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	95	return NULL;
	96
	97	sdi->inst_type = SR_INST_SERIAL;
	98	sdi->conn = serial;
	99
	100	sdi->priv = devc;
	101	sdi->driver = di;
	102	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	103	drvc->instances = g_slist_append(drvc->instances, sdi);
	104	devices = g_slist_append(devices, sdi);
	105
	106	return devices;
	107	}
	108
	109	static GSList dev_list(const struct sr_dev_driver di)
	110	{
	111	return ((struct drv_context *)(di->context))->instances;
	112	}
	113
	114	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	115	const struct sr_channel_group *cg)
	116	{
	117	struct dev_context *devc;
	118
	119	(void)cg;
	120
	121	if (sdi->status != SR_ST_ACTIVE)
	122	return SR_ERR_DEV_CLOSED;
	123
	124	devc = sdi->priv;
	125
	126	switch (key) {
	127	case SR_CONF_LIMIT_SAMPLES:
	128	devc->limit_samples = g_variant_get_uint64(data);
	129	break;
	130	default:
	131	return SR_ERR_NA;
	132	}
	133
	134	return SR_OK;
	135	}
	136
	137	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	138	const struct sr_channel_group *cg)
	139	{
	140	(void)sdi;
	141	(void)cg;
	142
	143	switch (key) {
	144	case SR_CONF_SCAN_OPTIONS:
	145	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	146	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	147	break;
	148	case SR_CONF_DEVICE_OPTIONS:
	149	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	150	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	151	break;
	152	default:
	153	return SR_ERR_NA;
	154	}
	155
	156	return SR_OK;
	157	}
	158
	159	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	160	{
	161	struct sr_serial_dev_inst *serial;
	162
	163	if (sdi->status != SR_ST_ACTIVE)
	164	return SR_ERR_DEV_CLOSED;
	165
	166	std_session_send_df_header(sdi, LOG_PREFIX);
	167
	168	/* Poll every 500ms, or whenever some data comes in. */
	169	serial = sdi->conn;
	170	serial_source_add(sdi->session, serial, G_IO_IN, 500,
	171	tondaj_sl_814_receive_data, (void *)sdi);
	172
	173	return SR_OK;
	174	}
	175
	176	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	177	{
	178	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	179	sdi->conn, LOG_PREFIX);
	180	}
	181
	182	SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
	183	.name = "tondaj-sl-814",
	184	.longname = "Tondaj SL-814",
	185	.api_version = 1,
	186	.init = init,
	187	.cleanup = std_cleanup,
	188	.scan = scan,
	189	.dev_list = dev_list,
	190	.dev_clear = NULL,
	191	.config_get = NULL,
	192	.config_set = config_set,
	193	.config_list = config_list,
	194	.dev_open = std_serial_dev_open,
	195	.dev_close = std_serial_dev_close,
	196	.dev_acquisition_start = dev_acquisition_start,
	197	.dev_acquisition_stop = dev_acquisition_stop,
	198	.context = NULL,
	199	};